[PATCH 3/5] clocksource/drivers/imx-tpm: mark two variable with __ro_after_init

From: "Peng Fan (OSS)" <peng.fan@oss.nxp.com>
To: daniel.lezcano@linaro.org, tglx@linutronix.de,
	shawnguo@kernel.org, s.hauer@pengutronix.de
Cc: kernel@pengutronix.de, festevam@gmail.com, linux-imx@nxp.com,
	linux-kernel@vger.kernel.org,
	linux-arm-kernel@lists.infradead.org, Peng Fan <peng.fan@nxp.com>
Subject: [PATCH 3/5] clocksource/drivers/imx-tpm: mark two variable with __ro_after_init
Date: Tue, 14 Dec 2021 20:07:35 +0800	[thread overview]
Message-ID: <20211214120737.1611955-4-peng.fan@oss.nxp.com> (raw)
In-Reply-To: <20211214120737.1611955-1-peng.fan@oss.nxp.com>

From: Peng Fan <peng.fan@nxp.com>

counter_width and timer_base will not be updated after init, so mark
as __ro_after_init.

Signed-off-by: Peng Fan <peng.fan@nxp.com>
---
 drivers/clocksource/timer-imx-tpm.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/clocksource/timer-imx-tpm.c b/drivers/clocksource/timer-imx-tpm.c
index 2c0b0d4eba9e..3afd9b0a668a 100644
--- a/drivers/clocksource/timer-imx-tpm.c
+++ b/drivers/clocksource/timer-imx-tpm.c
@@ -32,8 +32,8 @@
 #define TPM_C0SC_CHF_MASK		(0x1 << 7)
 #define TPM_C0V				0x24
 
-static int counter_width;
-static void __iomem *timer_base;
+static int counter_width __ro_after_init;
+static void __iomem *timer_base __ro_after_init;
 
 static inline void tpm_timer_disable(void)
 {
-- 
2.25.1

